Filter
Top Products
DE2-70 User Manual
51
SPEED
ENET_D0
ENET_D15
ENET_D13
ENET_D1
ENET_D
4
ENET_D1
2
ENET_D9
ENET_D11
ENET_D8
ENET_D6
ENET_D14
ENET_D10
ENET_D7
ENET_D2
ENET_D3
ENET_D5
RX-
TX+
TX-
SPEED
RX+
ACT
ACT
ENET_D[0..15]
25MHZ
ENET_CS_n
ENET_RESET_n
ENET_IO
W_n
ENET_IOR_n
ENET_CM
D
ENET_INT
CHSGND
CHSGND
NGND
NGND
NGND
N_VCC33
N_VCC33
N_VCC33
N_VCC33
N_V
CC33
N_VCC33
N_VCC33
N_VCC25
NGND
N_VCC25
C17
10u
C17
10u
BC37
0.1u
BC37
0.1u
L2
BEAD
L2
BEAD
BC36
0.1u
BC36
0.1u
R71
4.7K
R71
4.7K
R75
49.9
R75
49.9
R70
6.8K
R70
6.8K
R77
120
R77
120
R78
120
R78
120
R74
49.9
R74
49.9
L1
BEAD
L1
BEAD
C18
0.1u
C18
0.1u
R72
4.7K
R72
4.7K
R73
49.9
R73
49.9
DM9000A-8/16bit
U9
DM9000AE
DM9000A-8/16bit
U9
DM9000AE
BGRES
1
RXVDD25
2
RX+
3
RX-
4
RXGND
5
TXGND
6
TX+
7
TX-
8
TXVDD25
9
SD7
10
S
D6
11
SD5
12
SD4
13
SD3
14
GND
15
SD2
16
SD1
17
SD0
18
EEDIO
19
EEDCK
20
EEDCS
21
WAKE/SD15
22
VDD
23
LED3/SD14
24
GP6/SD13
25
GP5/SD12
26
GP4/SD11
27
GP3/SD10
28
GP2/SD9
29
VDD
30
GP1/SD8
31
CMD
32
GND
33
INT
34
IOR#
35
IOW#
36
CS#
37
LED2
38
LED1
39
PWRST#
40
TEST
41
VDD
42
X2
43
X1
44
GND
45
SD
46
RXGND
47
BGGND
48
R76
49.9
R76
49.9
YEL LOW
GREEN
J6
RJ45INTLED
YEL LOW
GREEN
J6
RJ45INTLED
CTT
4
RD-
6
CTR
5
TD-
2
TD+
1
RD+
3
CHSG
8
SMNT0
13
SMNT1
14
MNT1
15
MNT0
16
D1
9
D2
10
D3
11
D4
12
C19
0.1u
C19
0.1u
Figure 5.17. Fast Ethernet schematic.
Signal Name FPGA Pin No. Description
ENET_DATA[0] PIN_A23 DM9000A DATA[0]
ENET_DATA[1] PIN_C22 DM9000A DATA[1]
ENET_DATA[2] PIN_B22 DM9000A DATA[2]
ENET_DATA[3] PIN_A22 DM9000A DATA[3]
ENET_DATA[4] PIN_B21 DM9000A DATA[4]
ENET_DATA[5] PIN_A21 DM9000A DATA[5]
ENET_DATA[6] PIN_B20 DM9000A DATA[6]
ENET_DATA[7] PIN_A20 DM9000A DATA[7]
ENET_DATA[8] PIN_B26 DM9000A DATA[8]
ENET_DATA[9] PIN_A26 DM9000A DATA[9]
ENET_DATA[10] PIN_B25 DM9000A DATA[10]
ENET_DATA[11] PIN_A25 DM9000A DATA[11]
ENET_DATA[12] PIN_C24 DM9000A DATA[12]
ENET_DATA[13] PIN_B24 DM9000A DATA[13]
ENET_DATA[14] PIN_A24 DM9000A DATA[14]
ENET_DATA[15] PIN_B23 DM9000A DATA[15]
ENET_CLK PIN_D27 DM9000A Clock 25 MHz
ENET_CMD PIN_B27 DM9000A Command/Data Select, 0 = Command, 1 = Data